797   function baseFindIndex(array, predicate, fromIndex, fromRight) {  argument
799         index = fromIndex + (fromRight ? 1 : -1);
818   function baseIndexOf(array, value, fromIndex) {  argument
820       ? strictIndexOf(array, value, fromIndex)
821       : baseFindIndex(array, baseIsNaN, fromIndex);
834   function baseIndexOfWith(array, value, fromIndex, comparator) {  argument
835     var index = fromIndex - 1,
1271   function strictIndexOf(array, value, fromIndex) {  argument
1272     var index = fromIndex - 1,
1293   function strictLastIndexOf(array, value, fromIndex) {  argument
1294     var index = fromIndex + 1;
3814         var fromIndex = 0,
3818         while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
3820             splice.call(seen, fromIndex, 1);
3822           splice.call(array, fromIndex, 1);
5052       return function(collection, predicate, fromIndex) {  argument
5059         var index = findIndexFunc(collection, predicate, fromIndex);
7249     function findIndex(array, predicate, fromIndex) {
7254       var index = fromIndex == null ? 0 : toInteger(fromIndex);
7296     function findLastIndex(array, predicate, fromIndex) {
7302       if (fromIndex !== undefined) {
7303         index = toInteger(fromIndex);
7304         index = fromIndex < 0
7450     function indexOf(array, value, fromIndex) {
7455       var index = fromIndex == null ? 0 : toInteger(fromIndex);
7635     function lastIndexOf(array, value, fromIndex) {
7641       if (fromIndex !== undefined) {
7642         index = toInteger(fromIndex);
9431     function includes(collection, value, fromIndex, guard) {
9433       fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
9436       if (fromIndex < 0) {
9437         fromIndex = nativeMax(length + fromIndex, 0);
9440         ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
9441         : (!!length && baseIndexOf(collection, value, fromIndex) > -1);